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IRIDIUM 172, 43927

Orbit data source: Space-Track

IRIDIUM 172, 43927 is a payload satellite owned by Iridium (US) in LEO that was launched on Fri, 11 Jan 2019 UTC via an FALCON 9 launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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https://www.satcat.com/sats-embedded/43927?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43927, 2019-002F

Orbit

LEO

Country

Related business

Iridium Communications Inc. (US)

Manufacturer

NGIS SSG Gilbert

Mission

Operational Commercial Communications

Bus & Motor

ELITEBUS, Unknown motor

Mass

860 kg wet, 700 kg dry

Launch date (UTC)

2019-01-11 (7 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Trap Box + 2 Pan, 4.8 m

Radar Cross Section

10.154 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 6 hours ago

TLE from 6 hours ago

0 IRIDIUM 172
1 43927U 19002F   26068.82998597  .00000437  00000-0  14899-3 0  9994
2 43927  86.3970  35.0810 0002326  84.8580 275.2881 14.34217815374725

Epoch: 2026-03-09T19:55Z

TLE epoch observation values (Epoch: 2026-03-09T19:55:10.787Z)

Latitude

-0.00007°

Longitude

-71.23126°

Altitude

780.565 km

Speed

7.464 km/s

True Right ascension

02h 20m 19s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

05:56:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

776.295 km

Perigee altitude

772.968 km

Semi-major axis

7,152.768 km

Eccentricity

0.00023

Inclination

86.397°

RAAN

35.081°

Arg. of periapsis

84.858°

True anomaly

275.26156°

Mean anomaly

275.2881°

Eccentric anomaly

275.27483°

Mean motion

3.58783 °/min

Orbital period

100.34 mins

BSTAR

0.00014899

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Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)

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IRIDIUM 172 Visibility forecast

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Span	Click to sort rows by Start time (UTC) header in descending order	Start Az.	Max El. time (UTC)	Max El. Az.	Max El.	End time (UTC)	End Az.
10 mins	2026-03-10 09:53:04.310Z	356.355° N	2026-03-10 09:58:04.310Z	223.945° SW	44.826°	2026-03-10 10:03:04.310Z	180.976° SSW
6 mins	2026-03-10 21:11:04.310Z	117.399° SE	2026-03-10 21:13:04.310Z	88.886° E	20.56°	2026-03-10 21:17:04.310Z	34.731° NE
7 mins	2026-03-10 22:51:04.310Z	221.854° SW	2026-03-10 22:54:04.310Z	281.497° WNW	32.211°	2026-03-10 22:58:04.310Z	343.095° N

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out IRIDIUM 172, 43927 on other resources

View IRIDIUM 172, 43927 on NASA - NSSDCA Website

View IRIDIUM 172, 43927 on Heavens-Above

View IRIDIUM 172, 43927 on Keep Track

View IRIDIUM 172, 43927 on Celestrak

View IRIDIUM 172, 43927 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

IRIDIUM 172, 43927

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2026-03-09T19:55:10.787Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #2 in the year 2019 (2019-01-11 UTC)

IRIDIUM 172 Visibility forecast

Co-orbital & Co-planar RSOs

Check out IRIDIUM 172, 43927 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 6 hours ago